push-image.yml

name: Build and push image

on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      runtime:
        description: 'Runtime image'
        required: true
        default: 'hackmdio/runtime:16.20.2-35fe7e39'
      buildpack:
        description: 'Buildpack image'
        required: true
        default: 'hackmdio/buildpack:16.20.2-35fe7e39'
      registry_image:
        description: 'image name'
        required: true
        default: 'hackmdio/hackmd'

jobs:
  build-amd64:
    uses: ./.github/workflows/build-steps.yml
    secrets: inherit
    with:
      platform: linux/amd64
      platform_pair: linux_amd64
      registry_image: ${{ github.event.inputs.registry_image }}
      runtime: ${{ github.event.inputs.runtime }}
      buildpack: ${{ github.event.inputs.buildpack }}
      runs_on: ubuntu-latest

  build-arm64:
    uses: ./.github/workflows/build-steps.yml
    secrets: inherit
    with:
      platform: linux/arm64
      platform_pair: linux_arm64
      registry_image: ${{ github.event.inputs.registry_image }}
      runtime: ${{ github.event.inputs.runtime }}
      buildpack: ${{ github.event.inputs.buildpack }}
      runs_on: macos-latest

  merge:
    runs-on: ubuntu-latest
    needs:
      - build-amd64
      - build-arm64
    steps:
      -
        name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ github.event.inputs.registry_image }}
          tags: |
            type=match,pattern=\d.\d.\d
            type=sha,prefix=
      -
        name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ github.event.inputs.registry_image }}@sha256:%s ' *)
      -
        name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ github.event.inputs.registry_image }}:${{ steps.meta.outputs.version }}